Dragon103
Answered

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Examine the graphs of each relation below. Decide if each is a function. Then describe the domain and range of each.

Examine The Graphs Of Each Relation Below Decide If Each Is A Function Then Describe The Domain And Range Of Each class=

Sagot :

mhanifa

Answer:

  • See below

Step-by-step explanation:

Graph a:

  • It is not a function as it fails the vertical line test.
  • Domain and range both are within -3 and 3: x, y = [-3, 3]

Graph b:

  • It is a function as passes the vertical line test.

The domain, the set of x- values:

  • x = [-2, 3]

The range, the set of y-values:

  • y = [-2, 2]

The rule is

If we draw a vertical or horizontal line through the graph then it must not cut the curve more than once

#1

  • It's not a function as the curve is cut by 3 three times

#2

Yes it's a function

  • Domain:-[-2,3]
  • Range:-[-2,2]
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